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PHP bool vs boolean

Hey everyone,

I've recently been diving into PHP programming and I'm having a bit of confusion regarding the terms "bool" and "boolean". I've come across both of these terms while going through PHP documentation and forums, but I'm not entirely sure what the difference is between them, or if there even is one.

From what I understand, both "bool" and "boolean" seem to refer to a data type that can only have two values: true or false. However, I'm not sure if they are interchangeable or if there's some distinction between them that I'm missing.

I'd really appreciate it if someone could shed some light on this for me. Can someone explain what the difference is between "bool" and "boolean" in PHP, if any? And in what situations should I use one over the other?

Thanks in advance for your help!

All Replies


Greetings fellow PHP enthusiast!

I stumbled upon this question as I found myself in a similar predicament when I first delved into PHP development. Allow me to share my personal experience on the matter.

To put it simply, "bool" and "boolean" are essentially the same thing in PHP. They are both used to represent the Boolean data type, which can only hold two values: true or false. The choice between these two terms often lies in personal preference and coding style conventions.

From my own coding journey, I've noticed that "boolean" tends to be more commonly used in official PHP documentation and tutorials. It offers a more explicit way of defining the data type and can potentially enhance code readability, especially for beginners who are still getting familiar with PHP syntax.

On the other hand, "bool" is a slightly more concise and widely used alternative in the PHP community. It may be preferred by developers who prioritize brevity and find it easier to type or read. In my own projects, I tend to opt for "bool" due to its succinct nature and widespread usage in codebases I've encountered.

In conclusion, both "bool" and "boolean" can be used interchangeably in PHP without any significant difference in functionality. My advice would be to choose the one that aligns with your personal style and maintain consistency within your codebase. Ultimately, it's all about finding what works best for you and your fellow developers.

Happy coding and may your PHP adventures be bug-free!


Hey there,

I totally understand your confusion because I had the same question when I started working with PHP. The terms "bool" and "boolean" are indeed related and can be used interchangeably in most cases.

In PHP, "bool" and "boolean" both refer to the same data type that can hold two values: true or false. So, whether you define a variable as bool or boolean, it will have the same behavior. It essentially boils down to personal preference or coding style.

When it comes to readability, some developers prefer using "bool" as it's shorter and more concise. On the other hand, others choose to use "boolean" to explicitly indicate the data type in their code.

Personally, I tend to use "bool" just because it feels more natural to me and is quicker to type. However, there is no right or wrong answer here. As long as you are consistent within your codebase, it won't make a significant difference.

Ultimately, it's good to know that both "bool" and "boolean" are interchangeable in PHP, so you can use either of them based on your personal preference.

Hope this clarifies it for you!

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